850CFM Carburetor - Brawler Q-Series

The 850CFM Carburetor Brawler Q-Series is a high-performance four-barrel racing carb engineered for serious engine builders, restoration specialists, and competitive performance shops. Built for applications demanding consistent fuel delivery and aggressive airflow characteristics, this square-bore design supports engine builds in the 400–500+ cubic inch range. Whether you're tuning a vintage muscle car, bracket racer, or street performance engine, the Brawler Q-Series delivers the precision metering and mechanical control required for repeatable, dyno-proven results.

This model features dual inlet ports for flexible fuel system integration, a mechanical secondary design that responds directly to throttle input for linear power delivery, and zero-choke operation—eliminating cold-start complexity on dedicated race engines. The aluminum body is finished in purple anodized and tumble-polished construction, providing both corrosion resistance and a distinctive appearance that stands out on engine bays. The 850 CFM rating delivers aggressive flow velocity suited to naturally aspirated engines with solid cam profiles and high-RPM capability, while the square-bore configuration maintains precise fuel distribution across all four barrels for balanced combustion and predictable jetting requirements.

Carburetor selection demands matching CFM to engine displacement, cam profile, and intended RPM range; the 850CFM Carburetor Brawler Q-Series excels in mid-displacement to large-cube applications where vacuum signal remains strong throughout the power band. Installation requires standard four-barrel manifold compatibility and proper fuel system pressure regulation (typically 4.5–6.0 PSI for carbureted engines). This carburetor rewards tuners with baseline jetting charts and responsive mechanical control, making it ideal for racers, engine builders, and enthusiasts who value hands-on calibration and direct throttle response over modern computerized systems.